Sigma-Aldrich
CARBOBENZYLOXY-L-TYROSINE 4-NITROPHENYL ESTER
CARBOBENZYLOXY-L-TYROSYL-L-TYROSINE
Copper
铜
CARBOBENZYLOXYPHENYLALANYLNORLEUCINAMIDE
CARBOBENZYLOXYSARCOSYL-L-ALANINAMIDE
CARBOBENZYLOXYSARCOSYLPHENYLALANINE METHYL ESTER
CARBOBENZYLOXYTRYPTOPHYLALANINE METHYL ESTER